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ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION
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ETSI INT IMS/EPC INTEROPERABILITY STANDARDISATION

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Presented by Giulio Maggiore, Telecom Italia, ETSI TC INT Chairman in the 2nd FOKUS FUSECO Forum 2011, Berlin 17-18 Nov. 2011

Presented by Giulio Maggiore, Telecom Italia, ETSI TC INT Chairman in the 2nd FOKUS FUSECO Forum 2011, Berlin 17-18 Nov. 2011

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  • 1. ETSI  INT  IMS/EPC  INTEROPERABILITY  STANDARDISATION  –   MOTIVATION,  ROADMAP  &  FIRST  RESULTS   Giulio  Maggiore   Telecom  Italia     ETSI  TC  INT  Chairman   Giulio.Maggiore@telecomitalia.it  
  • 2. Presenta>on  Outline   !   ETSI  INT  work  program:  IMS/EPC  StandardizaAon     !   ETSI  TC  INT  role  in  interoperability  landscape     !   Interoperability  for  beFer  standards  …interoperability   for  beFer  products     !   IMS/EPC  Interoperability:  First  results  and  plans  for   the  future   2nd FUSECO FORUM - Berlin2
  • 3. TC  INT  (IMS  Network  Tes>ng)  !   Develop  Core  Network  test  specificaAons   (interoperability,  conformance,  network  integraAon   etc.)  from  3GPP  specificaAons    !   IniAate  /assist/supervise/follow  up  of  IMS  Plugtests  !   Coordinate  IMS  interoperability  efforts  with  other   organisaAons  OMA,  MSF,  IMS  Forum,  GSMA,  etc    !   Endorsement  of  test  specificaAons  to  other  technical   bodies  e.g.,  ITU.     3 2nd FUSECO FORUM - Berlin
  • 4. The  EPC  and  IMS  Core  Network   Architectures  4 Achieving Interoperable Standards
  • 5. IMS  &  EPC  Integra>on   2nd FUSECO FORUM - Berlin
  • 6. ETSI  INT  work  program:  IMS/EPC   Standardiza>on     S12 VPLMN HPLMN UTRAN 2G/3G S4 SGSN GERAN S3 HSS S6a MME PCRF S1-MME S11 Rx Gx S10 Serving PDN Operator IP Services UE Uu eNB S1-U S8a SGi (e.g. IMS) Gateway Gateway X2 E-UTRAN eNB eNB: evolved Node B MME: Mobility Management Entity Serving GW (SGW): anchor point inter-3GPP mobility PDN GW (PGW): Packet Data Network Access Gateway SGi: Internet/Intranet Access Point 2nd FUSECO FORUM - Berlin6
  • 7. ETSI  INT  work  program:  IMS/EPC   Standardiza>on     2nd FUSECO FORUM - Berlin7 U-WORLD-2011 - Dalian
  • 8. Scope  of  the  IMS-­‐EPC  Interoperability   2nd FUSECO FORUM - Berlin8
  • 9. Complete  IMS/EPC  Interoperability   2nd FUSECO FORUM - Berlin9
  • 10. ETSI  INT  work  program:  IMS/EPC   Standardiza>on  –  on  going  works   !   Conformance  Test  SpecificaAons  for  the   Diameter  Protocol  over  the  Rx  reference  point   !   Conformance  Test  SpecificaAons  for  the   Diameter  Protocol  over  the  Gx  reference  point   •  Gx  Interface  InterconnecAvity  TesAng  (SCTP  &  TCP)   both  for  home  and  roaming  scenarios   •  Gx  AFach  Procedures   •  Gx  Interface  Dedicated  Bearer  TesAng   •  Gx  Interface  Bearer  ModificaAon  TesAng     •  Gx  Detach  Procedures   2nd FUSECO FORUM - Berlin10
  • 11. ETSI  INT  work  program:  IMS/EPC   Standardiza>on  –  future  works   !   EPC  interoperability  tesAng  on  S9  interface   !   Enhance  conformance  of  diameter  interfaces,   (e.g.  S6)   !   Joint  work  item  with  TC  STQ  to  evaluate  QOS   from  signalling  and  traffic   2nd FUSECO FORUM - Berlin11
  • 12. ETSI  TC  INT  (IMS  Network  Tes>ng)   Technical Stream Industrial Stream IMS   Network   Testing   Fora and Organization Dealing with IMS IOP Demonstrations 12   12 2nd FUSECO FORUM - Berlin
  • 13. When  IMS  Interoperability  Tes>ng?   !   Interoperability  for  VoLTE  and  EPC   have  been  anAcipated  in  the  early   deployment  phase  due  to  LTE  driver   !   This  would  imply  that  most   organizaAon  have  to  join  to  be  able   to  provide  useful  results   Industry deployment and other Fora Interop2nd FUSECO FORUM - Berlin
  • 14. Too  many  interoperabili>es….   !   Vendors  declare  too  many  interoperability   acAviAes  performed:   •  Global  IOT  between  network  vendors   •  IOTs  performed  between  User  Equipment  (UE)     and  network   •  IOTs  performed  between  UEs   •  Ad  hoc  IOT  with  specific  vendor  on  customer   request     2nd FUSECO FORUM - Berlin14
  • 15. …  too  few  interoperability   !   Operators  claim  Interoperability  problems   between   •  UE  and  UE   •  Network  and  Network   •  UE  and  Network   !   Public  interoperability  like  Plugtest  not  used  in   the  proper  way     •  To  improve  interoperability     •  To  improve  standards   2nd FUSECO FORUM - Berlin15
  • 16. Public  interoperability  as  a  feedback  to   standards  and  to  the  market   Public  interoperability  like  Plugtests  can  be  beFer  used     !  By  Vendors     •  To  improve  their  products   •  To  promote  towards  the  customers  what  has  been  done   «under  the  sun»   •  To  provide  feedback  to  standardizaAon  to  improve  the   standards   !  By  Operators     •  To  start  their  analysis  from  what  has  been  done  publicly   •  To  ask  vendors  to  demonstrate  publicly  their   interoperability  as  proof  of  quality  and  to  assess  maturity   of  the  standards   2nd FUSECO FORUM - Berlin16
  • 17. Typical  Causes  of  Non-­‐interoperable   Standards   !   Requirements  not  well  idenAfied  or  missing   !   Ambiguous  requirements   !   Varying  technical  quality  and  use  of  language   !   Inadequate  handling  of  opAons   !   Lack  of  clear  system  overview   !   Loose  definiAon  of  interfaces  (reference   points)   !   Poor  maintenance   !   Using  standards  beyond  their  original   purpose   2nd FUSECO FORUM - Berlin17
  • 18. Poor  Interoperability  Can  be  Expensive   !   Bad  publicity   •  For  the  technology   •  For  the  manufacturer   !  Annoyance  to  the  end  customer   •  Damage  to  brand  name   !  Loss  of  customer  base   •  Allegiances  change  rapidly   !  May  affect  uptake  of  new  technology   !  Loss  of  investor  confidence   !   We  can  no  longer  afford  to  get  it  wrong!   2nd FUSECO FORUM - Berlin18
  • 19. IMS/EPC  Interoperability:     First  results  and  plans  for  the  future   !   ETSI  TC  INT  parAcipated  as  observer  to  MSF/ GSMA  VoLTE  interoperability  event  in   september   !   The  event  was  conducted  in  two  host  sites;   the  Vodafone  Test  and  InnovaAon  Centre  in   Düsseldorf,  Germany  and  the  China  Mobile   Research  InsAtute  Laboratory  in  Beijing,  China.   !   The  event  results  have  been  described  in   hFp://www.msforum.org/interoperability/ MSF_VoLTE%20_2011_WhitePaper.pdf   2nd FUSECO FORUM - Berlin19
  • 20. First  VoLTE  Interoperability  results  (1)   !   VoLTE  calls  and  supplementary  services,  based  on   GSMA  recommendaAons,  are  a  viable  soluAon  for   providing  voice  services  for  LTE  access,  including  for   Roaming  and  Interconnect  scenarios.   !   This  test  event  showed  basic  interoperability   between  the  different  nodes  in  a  mulA-­‐vendor   configuraAon.   !   The  IMS  Som  Clients  interworked  successfully  with   the  LTE  data  dongle  for  LTE  AFach  and  addiAonally   with  the  IMS  Core  Network  and  MMTel  AS  to  provide   IMS  services  to  the  end  user.   2nd FUSECO FORUM - Berlin20
  • 21. First  VoLTE  Interoperability  results  (2)   !   InteracAon  with  service  layer  (IMS  and  MMTel  AS)   was  successfully  demonstrated,  with  binding  of   Quality  of  Service  to  EPC  bearers  uAlizing  Policy  and   Charging  Control  (PCC),  providing  relevant  QoS  for   signalling  and  voice  on  the  default  bearer  and   dedicated  bearers  respecAvely.   2nd FUSECO FORUM - Berlin21
  • 22. First  VoLTE  Interoperability  results  (3)   !   Diameter  rouAng  within  the  PLMN  was  greatly   simplified  by  uAlizing  Diameter  RouAng  Agents.   DRAs  were  also  shown  to  provide  interworking   between  different  transport  layer  protocols.   Diameter  Roaming  interfaces  S6a  and  S9  were  routed   successfully  across  the  network  interconnect  via   Diameter  RouAng  Agents.   !   IPSec  security  between  eNodeB  and  MME/S-­‐GW  can   be  achieved  uAlizing  a  Sec-­‐GW  with  complete   transparency  to  signaling  and  media  and  no  impact   to  other  network  elements.   2nd FUSECO FORUM - Berlin22
  • 23. First  VoLTE  Interoperability  results  (4)   !   GTP  protocol  and  S9  protocol  proved  to  be   mature  and  stable  with  no  issues  idenAfied.   !   The  event  showed  that  implementaAons   based  on  different  versions  of  the  3GPP   Release  8  specificaAons  are  not  fully   interoperable,  as  there  are  not  backward   compaAble  protocol  versions  (observed  for  Gx   and  Rx  interfaces)   2nd FUSECO FORUM - Berlin23
  • 24. ETSI/MSF  Collabora>on  on  a  major   VoLTE  IOT  Event  in  2012   !   Builds  on  the  successful  MSF  VoLTE  IOT  of  September   2011   !   End-­‐to  -­‐end  mulA-­‐vendor  tesAng  incorporaAng  LTE,   EPC,  IMS  &  PCC   !   VoLTE  (including  PCC  interacAon  and  MMTel  services)   !   ENUM  interacAons  according  to  GSMA  IR.67   !   2G/3G  access  to  the  EPC   !   Handover  (intra-­‐LTE,  2G/3G  <-­‐>  LTE)   !   RCS  /  RCSe   !   Focus  on  NNI   2nd FUSECO FORUM - Berlin24
  • 25. Conclusions   !   ETSI  INT  work  program:  IMS/EPC  StandardizaAon     !   OrganizaAon  dealing  with  Interoperability  have  to   join  to  keep  the  Ame  and  give  results   !   Interoperability  is  a  major  factor  in  driving  IMS/EPC   standardisaAon   !   IMS/EPC  Interoperability:  First  results  and  plans  for   the  future   2nd FUSECO FORUM - Berlin25
  • 26. THANK  YOU!   Giulio  Maggiore   Telecom  Italia     ETSI  TC  INT  Chairman   Giulio.Maggiore@telecomitalia.it  
  • 27. Why  Validate  Standards?   !   ValidaAon  reveals  problems/errors  in   •  Standards    and  Products   !   Validated  standards  give  a  higher  chance  of  interoperable   products   •  Assurance  that  they  provide  the  right  funcAonality   •  Gives  manufacturers  and  operators  confidence  to  implement  and  go  to   market   !   Provides  an  opportunity  to  correct  errors  in  a  controlled   manner   •  Decreases  Ame  to  market   •  Late  fixes  in  the  product  cycle  are  more  expensive  than  early  ones   2nd FUSECO FORUM - Berlin27
  • 28. Valida>on  through  IOP  Events   !    ETSI  Plugtests  events   •   Open  to  members  and  non-­‐  members   !    Aim  is  to  validate  standards     •   Feedback  (Change  Requests)  to  relevant  technical  bodies   •   A  tool  to  develop  and  mature  standards   !    But  tesAng  and  debugging  are  useful  by-­‐products   •   Vendors  validate  their  understanding  of  standards  and  their   implementaAon   •   Achieve  in  one  week  what  would  otherwise  take  months   !    Promote  technology  and  community   •   Develop  new  ideas,  confirm  exisAng  ones   2nd FUSECO FORUM - Berlin28
  • 29. Who  abends  Plugtests™  events?   !   ParAcipants  do  NOT  have  to  be  ETSI  members   !   Plugtests™  are  addressed  to  any  company  developing  a  product   such  as  operators,  vendors  or  equipment  manufacturers,   content  or  applicaAon  providers   !   StandardizaAon  Bodies,  Fora  or     interest  groups  may  also  aFend   !   Plugtests™  also  welcome  UniversiAes     and  Research  InsAtutes   2nd FUSECO FORUM - Berlin29

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